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No, actually, now that you've explained it, it sounds like you're zapping PRAM on each reboot, and that would also work because it sets the device settings back to the defaults. But it's obviously inelegant, ergo the NVRAM fixer. I'd be interested to see what Apple System Profiler comes up...

7.5.3 is ... a choice :) I suppose you could get 7.5.2 on there, though nothing earlier than that, of course. But I ran into fewer problems with 8.x and 9.1. I'm not sure I understand the question. The problem seems to be that Mac OS sets the Open Firmware input and output devices to the...

OK. Might do a belt and suspenders approach if that works (nvramrc *and* INIT, so that way one or the other will set the property). I have no idea where the ttya setter is, only that it's not Startup Disk (for that matter, the string doesn't even appear anywhere in either fork). I'm also not...

Yes, if you reset the PRAM, it will come up (though your settings will be whacked, of course). You can also change it from the serial port and restart. In my case, before I wrote up the NVRAM fixer, I just keep the PRAM battery out entirely. If the system gets wacky, I shutdown as cleanly as I...

So are you saying that adding 0 to my-self before opening the device should be enough?

A reminder that ANS Open Firmware seems to take the input device and output device literally. If they are set to the serial port, video is never initialized. If they really want this, the solution is just not to run the NVRAM fixer. This is in Startup Items - it's a regular application, so it...

Welcome.

When I used Rinkya, and granted this was a few years ago, they were indeed the importer of record because they were the purchaser of record. Stuff arrived and went to them, and tariffs/duties on anything over the de minimis exemption had to be paid to them (I had to do this once or twice). They...

Unfortunately, not quite that simple. The problem with the 1.1.20.1 ROM is that it does not support the internal SCSI nor the internal video for MacOS (they work in AIX), and it does not properly enable the onboard MACE Ethernet. Also, Mac OS will treat it as a generic PowerSurge system and...

Where did you find a replacement?

Doesn't it transfer through the US, though? I thought their warehouse was States-side.

Status update on the 1.1.20.1 extension pack. Besides the already working ndrv for the video (the SCSI controller will be extracted the same way), I now have a working hack of Boot Variables that fixes the console between reboots. This goes in Startup Items and undoes whatever is messing with...

I just don't import anything anymore unless they explicitly ship direct and say they cover the tariffs.

Excellent!

How do you mean? I'm just going to buy the 64C Ultimate - I'm not recasing the 64U I already have.

I went and pre-ordered one of the C's anyway. I'd be more likely to use it than a breadbox, and the Founder's Edition 64U I bought was more for display and lulz in any case. If the 128DCR goes bang and I can't fix it, then I've got a potential partial substitute.

Very good. This was a real problem in TenFourFox that I really needed to revise the font code for and never got to. I'll be interested to look at your solution.

Now to see how much hacking of the MkLinux Mach kernel is possible to enable a Sonnet card or more RAM, but this machine is working, as long as you don't look inside it. https://oldvcr.blogspot.com/2026/08/mklinux-and-pimped-out-apple-workgroup.html

I *knew* someone would dig that clip up!

I'd thought about that, but the audio wasn't great to begin with and I'm worried that would make it worse. Still, as you say, if I'm out of ideas it's probably the least bad one.